The most common orchids found for sale are Phalaenopsis, Dendrobium and Oncidium. Br.avola. The "lady of the night" orchid, so named for its delightful fragrance in the evening is a wonderful addition to any orchid collection. Catasetum. Cattleya. Cymbidium. Dendrobium. Miniature Dendrobium. Epidendrum. Reed Stem . - Not all orchids are created equal. Identify yours with this gallery of popular varieties of orchids and best-care practices..If you do not have the original tag identifying the orchid, then the easiest way to identify it is with the flowers. Look at the shape, color, patterns, and size of the bloom. Most orchids come in many colors, so you cannot identify an orchid solely by the color or size of the flower, but it may help narrow it down..Don 't know which type of orchid you 've got? Identifying orchids is most easily done by lo.ng at the flowers. Unfortunately, there are so many kinds of orchids .